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Cushion|Lab Grown|IGI

3.10ct F VVS1 Cushion Lab Grown Diamond

EX • F/VVS1 • IGI LG821624381

Shape and cutting style on the report: Cushion modified brilliant

Certificate IGI LG821624381

Diamond specifications and retailer prices

From $1,849 NZD
€991 EUR
As of October 27, 2026
Save $3,710 NZD (67%) vs most expensive(unlock to see where)
16 retailers carry this diamond
Most expensive: $7,127 NZD at Rare Carat · As of October 19, 2026
View at Rare Carat

About this 3.1ct lab-grown cushion diamond

This 3.1ct lab-grown cushion sits in the three to five carat band, graded F colour (colourless) and VVS1 clarity (very-very-slightly-included), with a top-tier cut grade and certified by IGI LG821624381 or 821624381. Listed at 16 retailers as of October 26, 2026, with a 201% spread between the cheapest and most expensive listing. That is exactly the kind of price-discovery gap Carat Hunter was built to surface. Lab-grown prices in the 2ct and up range have fallen 40 to 60% over the last 18 months. Use the cross-retailer spread above to find the lowest current listing.

The 4Cs

3.10
Carat
F
Colour
VVS1
Clarity
Excellent
Cut

Specifications

CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle46°
Pavilion angle31.2°
OriginLab Grown
Grading LabIGI
CertificateIGI LG821624381
Dimensions10.49 × 7.38 × 4.65 mm
L/W Ratio1.42
Girdle conditionFaceted
Cert comments
This Laboratory Grown Diamond was created by Chemical Vapor Deposition (CVD) growth process Type IIa
Top View
10.49 mm7.38 mm3.10 ctF / VVS1
OriginLab Grown
CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG821624381
Side View
Table 65.0%Crown 46°Girdle: MED-STKPavilion 31.2°Culet: NoneDepth 63.0%

Caratlytics Score

How it works →
A
Excellent
Excellent quality and great value
Unlock full score analysis
See the detailed 0 to 100 score with Quality, Value, Certification & Market breakdown

Price History

Last verified: Oct 27
Current: $7,127 NZD|Low: $1,150 NZD|High: $7,198 NZD|Avg: $3,557 NZD|-1.0%
Rare Carat
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
Retailer 8
Retailer 9
Retailer 10
Retailer 11
Retailer 12
Retailer 13
Retailer 14
Retailer 15
Retailer 16
Retailer 17
October 28, 2026
Retailer 13$1,150 NZD
Retailer 7$1,294 NZD
Retailer 2$1,475 NZD
Retailer 16$1,715 NZD
Retailer 12$1,849 NZD
Retailer 15$1,986 NZD
Retailer 6$2,739 NZD
Retailer 3$2,751 NZD
Retailer 10$3,212 NZD
Retailer 5$3,711 NZD
Retailer 11$4,124 NZD
Retailer 8$4,180 NZD
Retailer 4$4,225 NZD
Retailer 14$5,054 NZD
Retailer 17$5,559 NZD
Retailer 9$5,846 NZD
Rare Carat$7,127 NZD

24 data points across 17 retailers

16 retailers$1,849 NZD to $5,559 NZD

Retailer 1
-
$1,294 NZD
$728 USD
Price last confirmed 16 days ago
Retailer 2
-
$1,475 NZD
$830 USD
View
Price last confirmed 5 days ago
Retailer 3
-
$1,715 NZD
$965 USD
View
Price last confirmed 7 days ago
A
Retailer 4
-
$1,849 NZD
€991 EUR
View
A
Retailer 5
-
$1,986 NZD
£880 GBP
View
Retailer 6
-
$2,739 NZD
A$2,371 AUD
View
Price last confirmed 13 days ago
Retailer 7
-
$2,751 NZD
ZAR 25,006 ZAR
View
Price last confirmed 9 days ago
B+
Retailer 8
-
$3,212 NZD
$1,807 USD
View
B+
Retailer 9
-
$3,711 NZD
£1,644 GBP
View
B+
Retailer 10
-
$4,124 NZD
$2,320 USD
View
B+
Retailer 11
-
$4,180 NZD
$2,352 USD
View
B+
Retailer 12
-
$4,225 NZD
$2,377 USD
View
B+
Retailer 13
-
$5,054 NZD
SGD 3,843 SGD
View
B
Retailer 14
-
$5,559 NZD
£2,463 GBP
View
Retailer 15
-
$5,846 NZD
A$5,060 AUD
View
Price last confirmed 24 days ago
Most Expensive
Rare Carat
CN211-36A · Oct 19
$7,127 NZD
$4,010 USD
View
Price last confirmed 14 days ago
15 more retailers have this diamond
Prices start from $1,849 NZDSave up to $3,710 NZD

Carat Hunter is not affiliated with, endorsed by, or sponsored by any retailer listed. Retailer information is from publicly available sources and may not be current. Verify details directly with the retailer before purchasing. Return terms as we hold them. Check the retailer's own returns page before you buy.

A
3.10ct Cushion
$1,849 NZD